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Need new cams

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92 Hard Top
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Re: Need new cams 2015/10/01 22:21:39 (permalink)
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Found the problem Journal 1 was starved of oil. Must of had a blockage in the CAM.
#16
Road and Track
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Re: Need new cams 2015/10/02 07:32:34 (permalink)
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post some pics and see what i think. 
 
i have some 10mm lift cams made for a gen2 race engine. if you want more info, phone or email direct

Road & Track

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#17
Falcon
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Re: Need new cams 2015/10/02 07:56:17 (permalink)
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I think I would look a bit deeper for the cause.
#18

92 Hard Top
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Re: Need new cams 2015/10/02 08:16:39 (permalink)
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Power-Division from the US are going to send a free replacement cam. Now I'm happy again.
#19
92 Hard Top
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Re: Need new cams 2015/10/02 09:42:32 (permalink)
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Another cause for the broken cam is that I use an small impact wrench on that cam went putting it together. Power-Division just email me and stated do not use impact tools on cams. That would have caused my damage.
#20
EssDub
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Re: Need new cams 2015/10/02 12:50:51 (permalink)
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First you say cam oil blockage, now you're saying the type of tool did it.
 
If i didn't know better, i'd say it looks like that lobe was overtightened and was getting hot every time it was run, causing expansion and the starvation of sufficient lubrication. 
 
You're lucky they are sending you a free camshaft to replace it!

Currently...
'03 Spyder 6MT - T28 inc...
------------------------------
Previously...
'00 FD3S
'94 SW20 Bathurst R
'88 AW11
'92 SW20 G-Limited
'90 SW20 G
'91 SW20 Mongrel
'94 G Limited T-Bar
'92 GT-S Turbo 
 
 
#21

robk
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Re: Need new cams 2015/10/02 14:46:04 (permalink)
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Impact wrenches are very useful, especially for loosening stubborn fasteners, but you should never use an impact wrench to tighten something critical. There is no way of knowing how tight the fastener is unless you check it afterwards with a hand tool, ideally a torque wrench, so what's the point of using the impact wrench in the first place. There's a very good chance of over-tightening a fastener with an impact wrench, which might be what you did (and/or oil starvation factors as mentioned). 

There is an extensive build thread for my car here: http://www.mr2australia.com/mr2play/tm.aspx?m=18316
#22
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